// Screen Zone entities by Thoys

(function() {
    var zoneWebEntities = [];
    var DEFAULT_DPI = 30;
    this.enterEntity = function(id) {
        Entities.getChildrenIDs(id).forEach(function(entityID) {
            var properties = Entities.getEntityProperties(entityID);
            var userData = JSON.parse(properties.userData);
            zoneWebEntities.push(Overlays.addOverlay("web3d", {
                url: userData.url,
                position: properties.position,
                rotation: properties.rotation,
                dimensions: properties.dimensions,
                resolution: properties.resolution !== undefined ? properties.resolution : { x: 480, y: 640 },
                dpi: userData.dpi !== undefined ? userData.dpi : DEFAULT_DPI,
                color: { red: 255, green: 255, blue: 255 },
                alpha: 1.0,
                parentID: entityID,
                parentJointIndex: -1
            }));
        });
    };

    function clearWebOverlays() {
        zoneWebEntities.forEach(function(overlay) {
            Overlays.deleteOverlay(overlay);
        });
        zoneWebEntities = [];
    }
    
    this.leaveEntity = function(id) {
        clearWebOverlays();
    };
    
    this.unload = function() {
        clearWebOverlays();
    };
});